?验证的样品
... 验证计量：check gaging 验证的样品：proof sample 验油比重计：elaeometer ...
?样品
... proof mortar 试样研钵 proof sample 样品；标准品 proof spirit 规定烈度的酒〔按体 积计，酒精纯度英制为57.0 %，美制为50 %〕 ...
?试样
... master sample 标准样品 proof sample 试样 random sample 随机抽样调查...
?标准试样
...标准试样 calibration sample; index sample; proof sample; reference test block; standard sample; standard specimen; standard test ecimen; standard test piece; standard test spec...
大样
样品，试样
sample bar??/??test specimens
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。